Year % 2002 0 2003 0.359558 2004 0.02529 2005 0.66191 2006 0.7335708 2007 0.2192655 2008 0.2707597 2009 0.2343776 2010 0.2531685 2011 0.2531685 2012 0.4178133 2013 0.4624689 2014 0 2015 0.3605777 2016 0.3605777 2017 0.7417637 2018 0.8519633 2019 0.827116 2020 0.6960883 2021 0.8689299